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If your experience is less than stellar, let us know and we'll make things right! Ceramic polishing media is more effective than plastic tumbling media and will never stale or spoil. Improve your rock tumbling results – ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage, and acting as a filler for smaller batches.
This versatile rock polish accessory is a fantastic addition to your stock of tumbling supplies. High-quality educational toys - we're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. Compatible with any tumbler – these rock tumbler ceramic pellets are safe to use with any rock tumbler. Use worn pellets in place of smaller ceramic tumbler media.


Just add the patent-pending rock polishing media to your tumbler after the final grit cycle for great results! Works with any rock tumbler – the tumbling supplies in this set are safe to use with any rock tumbler.
Improve your rock tumbling results – ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage, and acting as a filler for smaller batches. The tumbling grit, ceramic pellets, and GemFoam together improve rock tumbling performance and yield impressive results.






Universal rock tumbler grit Kit, compatible with all rock tumblers. Tips: the different weights and densities, will mean that jars will not have equal amounts of fullness. Material: step 1 grit,step 2 grit,step 3 grit are silicon Carbide,Step 4 is Aluminum Oxide, Plastic Pellets are resistant polypropylene, Ceramic Filler Media is High alumina porcelain.
5 pounds. If you don’t get the satisfactory polished stones or there is anything else you are dissatisfied with, and within 24 hours, please contact us by E-mail, we will do our best to satisfy you or give you a full refund while you don’t need to return the product.

If your experience is anything less than extraordinary, let us know so we can make it right for you! High quality - this rock polisher grit refill pack comes with enough high-quality silicon carbide grit to put a dazzling polish on up to 20 lbs.
Easy to use four-stage rock grit - the first rock tumbling grit stage provides initial shaping, the second smooths rock surfaces, the third pre-polishes rocks, and the fourth provides the final polish. Of rocks, glass, gems, and more. For best results, use with National Geographic Rock Tumblers and rock tumbling supplies.
1. NATIONAL GEOGRAPHIC
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Protects Rocks, Reusable, NATIONAL GEOGRAPHIC Ceramic Media for Rock Tumbling – 1.5 lb Ceramic Pellets, Rock Tumbling Supplies, Use with Rock Tumbler Grit, Tumbling Media for Rock Polisher
#adNATIONAL GEOGRAPHIC #ad - A little goes a long way – rock tumbling ceramic pellets are reusable and can be used during every rock polishing grit cycle. Additional tumbling benefits – ceramic tumbling media will wear down over time, but is still a useful rock tumbling accessory.If your experience is less than stellar, let us know and we'll make things right! Ceramic polishing media is more effective than plastic tumbling media and will never stale or spoil. Improve your rock tumbling results – ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage, and acting as a filler for smaller batches.
More information #ad
When tumbling is complete, wash and store for later use. This versatile rock polish accessory is a fantastic addition to your stock of tumbling supplies. High-quality educational toys - we're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. Compatible with any tumbler – these rock tumbler ceramic pellets are safe to use with any rock tumbler. Use worn pellets in place of smaller ceramic tumbler media.
Brand | NATIONAL GEOGRAPHIC #ad |
Manufacturer | JMW Sales, Inc. #ad |
Height | 7.1 Inches |
Length | 5.5 Inches |
Width | 1.57 Inches |
Part Number | NGCERAMIC |
Model | NGCERAMIC |
Warranty | Other |
More information #ad
2. Polly Plastics
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Polly Plastics Rock Tumbling Ceramic Filler Media Large Cylinder Size Non-Abrasive Ceramic Pellets for All Type Tumblers 1.5 lbs
#adPolly Plastics #ad - X 5/8” long, angle cut cylinders. 3/8” dia. Works with all tumbler types. Compatible with any brand tumbler or grit. Cushions, quiets and improves tumbling action. Non-toxic, non-static and non-residue pellets are dryable and easy to reuse.More information #ad
Perfect for protecting stones or filling while rock tumbling. Premium non-abrasive ceramic. Non-abrasive, ceramic large tumbling Media. No need to keep separate for each stage – rinse and use the same batch through all the tumbling stages.Brand | Polly Plastics #ad |
Manufacturer | Polly Plastics #ad |
Height | 4.37 Inches |
Length | 6.3 Inches |
Width | 3.4 Inches |
Part Number | 683405246961 |
Model | 683405246961 |
More information #ad
3. NATIONAL GEOGRAPHIC
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GemFoam Polishing Tumbling Media, NATIONAL GEOGRAPHIC Rock Tumbler Media – The Ultimate Rock Polishing Supplies Kit, 4 Stage Bulk Rock Tumbler Grit, 1.5 Pounds of Ceramic Pellets
#adNATIONAL GEOGRAPHIC #ad - Brand new way to make tumbled rocks shine – gemfoam is a unique new rock polisher media that gives unprecedented shine to tumbled rocks. Quality grit results in a dazzling polish - the rock polishing grit in this pack is high-quality silicon carbide and will polish 8-10 lbs of rocks, includes measuring scoop and storage containers with secure screw-top closures for easy storage.Just add the patent-pending rock polishing media to your tumbler after the final grit cycle for great results! Works with any rock tumbler – the tumbling supplies in this set are safe to use with any rock tumbler.
More information #ad
High-quality educational toys - National Geographic is proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. Improve your rock tumbling results – ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage, and acting as a filler for smaller batches. The tumbling grit, ceramic pellets, and GemFoam together improve rock tumbling performance and yield impressive results.
Brand | NATIONAL GEOGRAPHIC #ad |
Manufacturer | JMW Sales, Inc. #ad |
Height | 5.51 Inches |
Length | 7.48 Inches |
Width | 5.31 Inches |
Part Number | NGFOMCERGRIT |
Model | NGFOMCERGRIT |
More information #ad
4. GANGOU
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Protects Rocks, Use with Rock Polishing Grit, Rock Tumbler Media Rock Tumbler Ceramic Pellets – 2 lb Ceramic Media for Rock Polisher, Improves Tumbling 2 LB cylinders
#adGANGOU #ad - Compatible with any brand tumbler or grit. Use liquid compounds or water in tumbling and vibrating machines. 2 lbs. Improve your rock tumbling results! improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage.More information #ad
Rock tumbling ceramic pellets are reusable and can be used during every rock polishing grit cycle. Non-abrasive ceramic small tumbling media. 5/32” dia. X 5/8” long, cylinders. Perfect for protecting stones or filling while rock tumbling.Brand | GANGOU #ad |
Manufacturer | GANGOU #ad |
Weight | 2 Pounds |
Part Number | 4x16mm |
Model | 4x16mm |
More information #ad
5. GanGou
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2 LB Rock Tumbler Media 1/8" Tumbling Ball Rock Tumbling Ceramic Filler Media for use in Vibrating Tumbler or Rotating Tumblers
#adGanGou #ad - Perfect for protecting stones or filling while rock tumbling. Improve your rock tumbling results! improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage. Compatible with any brand tumbler or grit.More information #ad
Use liquid compounds or water in tumbling and vibrating machines. 2 lbs non-abrasive 3mm ball shape Ceramic Pellets, Rock Tumbling Ceramic Filler Media. Rock tumbling ceramic pellets are reusable and can be used during every rock polishing grit cycle.Brand | GanGou #ad |
Manufacturer | GANGOU #ad |
Part Number | 1/8" Ball |
Model | 1/8" Ball |
More information #ad
6. Rockhound's 1st Choice SC Ceramic Media
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Rock Hound's 1st Choice Rock Tumbler SC Polishing Ceramic Media Big 1/2 Lb Bag
#adRockhound's 1st Choice SC Ceramic Media #ad - Long lasting silicon carbide sc, Gray Color, Big 1/2 Pound Bag! about 16 pcs. Delivers grit to hard-to-reach rock surfaces and improves tumbling action in the barrel. Save electricity, conserve grit and ultimately provide a final polish far superior than tumbling with out it.More information #ad
Radically improves the results of your tumbling and reduce the amount of time needed to convert rough stones into brightly polished "gems". Made in the usa -highest quality- large triangle "angle" Cut measures 7/8" x 7/8" x 7/8".Brand | Rockhound's 1st Choice SC Ceramic Media #ad |
Manufacturer | Rockhound's 1st Choice #ad |
Height | 1 Inches |
Length | 5.2 Inches |
Weight | 0.4 Pounds |
Width | 3.1 Inches |
Part Number | unknown |
More information #ad
7. Tonmp
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Stone Tumbler, Tonmp 2 LBS Plastic Pellets Rock Tumbling Media Plastic Filler Protect Fragile Stones for Rock Tumbler, Rock Polisher 2 Pounds
#adTonmp #ad - Packaged in durable, re-closable seal bags to prevent messy spills and to safely store. Non-toxic, non-static and non-residue pellets are dryable. 2 pounds plastic pellets Rock Tumbling Media Plastic Filler.More information #ad
Easy to reuse – float to the top for easy cleaning. The composition of the product is impact-resistant polypropylene, which can cushion the impact of stones on the machine.Brand | Tonmp #ad |
Manufacturer | Tonmp #ad |
Part Number | white |
Model | white |
More information #ad
8. WireJewelry
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WireJewelry Double Barrel Rock Tumbler with 2 3 Pound Capacity Drums
#adWireJewelry #ad - Reliable, heavy duty motor Designed to Operate 24/7 for Years. Professional grade Double Barrel Rotary Rock Tumbler. Easy to follow step by Step Instructions Booklet Included.More information #ad
2 3 pound capacity leak Proof Hard Rubber Barrel to Minimize Noise. Satisfaction guaranteed, 2 Year Manufacturer Warranty and Lifetime Belt Replacement Warranty.Brand | WireJewelry #ad |
Manufacturer | WireJewelry #ad |
Height | 6.88 Inches |
Length | 14.5 Inches |
Width | 6.25 Inches |
Part Number | G24-2 |
Model | G24-2 |
More information #ad
9. HDongany
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Stone Polishers, Compatible with Any Brand Tumbler, 4.5 LBS Rock Tumbler Grit Media Complete Kit -Inculde 4 Steps Grits + Plastic Pellets + Ceramic Filler Media, Rock Polish Tumbling Supplies Set
#adHDongany #ad - Plastic pellets and ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage, and acting as a filler for smaller batches.Universal rock tumbler grit Kit, compatible with all rock tumblers. Tips: the different weights and densities, will mean that jars will not have equal amounts of fullness. Material: step 1 grit,step 2 grit,step 3 grit are silicon Carbide,Step 4 is Aluminum Oxide, Plastic Pellets are resistant polypropylene, Ceramic Filler Media is High alumina porcelain.
More information #ad
Package include step 1 coarse grit; step 2 medium grit; step 3 pre-polish;step 4 Final Polish, A small spoon in step 3 bottle, 1 Bottle Plastic Pellets, 1 Bottle Ceramic Filler Media, Total 4.55 pounds. If you don’t get the satisfactory polished stones or there is anything else you are dissatisfied with, and within 24 hours, please contact us by E-mail, we will do our best to satisfy you or give you a full refund while you don’t need to return the product.
Brand | HDongany #ad |
Manufacturer | HDongany #ad |
Height | 3 Inches |
Length | 6 Inches |
Width | 2 Inches |
Part Number | HD-000076 |
Model | HD-000076 |
More information #ad
10. NATIONAL GEOGRAPHIC
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NATIONAL GEOGRAPHIC Rock Tumbler Grit and Polish Refill Kit, Tumbling Grit Media, Rock Tumbler Supplies, Polish Up to 20 lbs. of Rocks, Works with any Rock Polisher
#adNATIONAL GEOGRAPHIC #ad - Compatible with all tumblers - this complete 4-step rock tumbler grit refill kit works with all rock tumblers. High-quality educational toys - national geographic is proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service.If your experience is anything less than extraordinary, let us know so we can make it right for you! High quality - this rock polisher grit refill pack comes with enough high-quality silicon carbide grit to put a dazzling polish on up to 20 lbs.
More information #ad
Easy to measure and store - Each rock tumbling grit stage is packaged in a wide-mouth container with secure, screw-top closure. Easy to use four-stage rock grit - the first rock tumbling grit stage provides initial shaping, the second smooths rock surfaces, the third pre-polishes rocks, and the fourth provides the final polish. Of rocks, glass, gems, and more. For best results, use with National Geographic Rock Tumblers and rock tumbling supplies.
Brand | NATIONAL GEOGRAPHIC #ad |
Manufacturer | JMW Sales, Inc. #ad |
Height | 5.3 Inches |
Length | 5.3 Inches |
Weight | 3 Pounds |
Width | 4.2 Inches |
Part Number | NGBULKGRIT |
Model | NGBULKGRIT |
Warranty | We're proud to make the highest quality products which are backed by exceptional service. |
More information #ad